linux-kernel - Re: [PATCH 5.7 024/179] dm mpath: pass IO start time to path selector

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200727191238.GH406581@sasha-vm>
Date:   Mon, 27 Jul 2020 15:12:38 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Gabriel Krisman Bertazi <krisman@...labora.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Mike Snitzer <snitzer@...hat.com>
Subject: Re: [PATCH 5.7 024/179] dm mpath: pass IO start time to path selector

On Mon, Jul 27, 2020 at 12:35:13PM -0400, Gabriel Krisman Bertazi wrote:
>Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
>
>> From: Gabriel Krisman Bertazi <krisman@...labora.com>
>>
>> [ Upstream commit 087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b ]
>>
>> The HST path selector needs this information to perform path
>> prediction. For request-based mpath, struct request's io_start_time_ns
>> is used, while for bio-based, use the start_time stored in dm_io.
>
>Hi Greg,
>
>This patch is not -stable material.  It is only needed for a new feature
>merged in 5.8.

I've dropped it, thank you!

-- 
Thanks,
Sasha